On what devices can I use Karel the Robot?
Just now only iPad with iOS 6.0 or newer is supported. We are working on version for MacOS X which will be compatible with iPad version (will use the same file format with Karel's world).
Where can I learn more about Karel?
Karel programming language is inspired by the book Karel The Robot: A Gentle Introduction to the Art of Programming by Richard E. Pattis. You can also find some useful information on Wikipedia.
What languages does Karel speak?
Program is localized to English, German, Czech and Slovak, tutorial to English, German and Slovak language. If you want to help us to translate program (very easy, just couple of words) or create a web page in another language just let us know at email@example.com.
Can I see Karel in action before I buy it?
Sure, look here: http://www.youtube.com/watch?v=yTXPAMx-LMM